assured vs basket case

assured

noun
  • An insured person. 

adj
  • Guaranteed; secure. 

  • Self-confident; self-assured; sure. 

basket case

noun
  • An institution or country in a bad condition or difficult situation (economically, financially or otherwise). 

  • One made powerless or ineffective, as by nerves, panic, stress or exhaustion; someone considered mentally unstable. 

  • Someone (especially a soldier) who has lost all four limbs. 

How often have the words assured and basket case occurred in a corpus of books? (source: Google Ngram Viewer )